Article of polyethylene terephthalate resin
Patent 4980211 Issued on December 25, 1990. Estimated Expiration Date: 
December 25, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 25, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3595740 3686069 3733309 3874989 3878282 Molded container having wall composed of oriented resin blend Patent #: 4261473 InventorsAssigneeApplicationNo. 212588 filed on 12/03/1980US Classes:428/36.7, Vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit is sandwiched between layers (continuous layer)264/512, Producing hollow work or a tubular article264/532, Shaping is longitudinal or axial stretching prior to or during differential fluid pressure deformation426/127, Three or more layered packaging materials428/36.91, Multilayer (continuous layer)428/475.2, Next to polyester428/475.8, Next to addition polymer from unsaturated monomer(s)428/483Next to addition polymer from unsaturated monomersExaminersPrimary: Buffalow, EdithAttorney, Agent or FirmInternational ClassB29D 022/00AbstractAn article of polyethylene terephthalate resin, particularly a laminated wall structure of a bottle made by biaxial orientation blow molding from the resin. The laminated wall is made up of polyethylene terephthalate resin and a synthetic resin material having good gas barrier properties.Field of SearchNext to addition polymer from unsaturated monomersNext to polyester Next to addition polymer from unsaturated monomer(s) Of polyester (e.g., alkyd, etc.) Vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit is sandwiched between layers (continuous layer) Contains vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit Contains vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit Multilayer (continuous layer) Three or more layered packaging materials Including forming a hollow article Shaping is longitudinal or axial stretching prior to or during differential fluid pressure deformation Concentric Parison forming extruder | |
